The First Several Terms of a Sequence Are Given $$2 , - 7,12 , - 17 , \ldots ; \mathrm { S } _ { 6 }$$

Multiple Choice

The first several terms of a sequence are given. Find the indicated partial sum.
- $$2 , - 7,12 , - 17 , \ldots ; \mathrm { S } _ { 6 }$$

A) 7
B) -15
C) -13
D) 15